- An arithmetic-logic unit designed to perform floating-point operations. A CPU may have such a processor incorporated, or a second chip may be utilized. Math coprocessors are especially useful when a computer performs sophisticated calculations, such as those frequently needed in CAD, spreadsheet, and scientific programs. Also spelled math co-processor. Also called floating-point processor, floating-point coprocessor, floating-point unit, or numeric processor.
Not what you were looking for?